CHAPTER 7 UMPQUA BASIN WATER QUALITY MANAGEMENT PLAN (WQMP) Prepared by: Oregon Department of Environmental Quality Submissions by: Oregon Department of Agriculture Oregon Department of Forest Oregon Department of Transportation USDA Forest Service and USDI BLM Partnership for the Umpqua Rivers Umpqua Basin TMDL: Water Quality Management Plan October 2006 Table of Contents PART I. INTRODUCTION.............................................................................................. 1 Douglas County........................................................................................................................................................2 Oregon Department of Agriculture........................................................................................................................2 Oregon Department of Forestry.............................................................................................................................2 USDI-Bureau of Land Management, USDA-Forest Service................................................................................2 Oregon Department of Transportation .................................................................................................................2 DEQ - NPDES Permitted Operations ....................................................................................................................3 The incorporated cities in Douglas County ...........................................................................................................3 B. Adaptive Management..........................................................................................................................4 Monitoring and Review...........................................................................................................................................5 C. Water Quality Management Plan Guidance and Rules ....................................................................6 PART II – WATER QUALITY MANAGEMENT PLAN COMPONENTS ......................... 8 Component 1. Condition Assessment and Problem Description ...........................................................8 A. Beneficial Uses....................................................................................................................................................8 B. Umpqua Basin Streams on 303(d) List Addressed by 2006 TMDLs .............................................................9 C. Existing Sources of Water Pollution...................................................................................................10 Temperature ..........................................................................................................................................................10 Dissolved Oxygen Depletion and Nutrients (Nitrogen and Phosphorus) ..........................................................10 Bacteria...................................................................................................................................................................11 Component 2: Goals and Objectives ......................................................................................................12 Component 3: Proposed Management Strategies .................................................................................13 A. Wastewater Treatment Plants ...........................................................................................................13 B. General and Minor Individual NPDES Permitted Sources.............................................................14 C. Other Sources ......................................................................................................................................14 Specific Pollutant Strategies.....................................................................................................................18 Stream Temperature .............................................................................................................................................18 I. Control Strategies:...........................................................................................................................................18 II. Partnership for the Umpqua Rivers Action Plan Recommendations: ............................................................19 South Umpqua River Watershed .........................................................................................................................20 Middle South Umpqua Watershed.......................................................................................................................21 Lower South Umpqua Watershed........................................................................................................................22 Upper Cow Creek Watershed ..............................................................................................................................23 Middle Cow Creek Watershed.............................................................................................................................24 Lower Cow Creek Watershed..............................................................................................................................26 West Fork Cow Creek Watershed .......................................................................................................................27 Lower North Umpqua Watershed........................................................................................................................28 Calapooya Creek Watershed................................................................................................................................29 Olalla-Lookingglass Watershed:..........................................................................................................................30 Tiller Region........................................................................................................................................................31 Myrtle Creek Watershed......................................................................................................................................32 Deer Creek Watershed.........................................................................................................................................33 Rock Creek Region:.............................................................................................................................................35 Lower Umpqua River Watershed: .......................................................................................................................37 Mill Creek Watershed:.........................................................................................................................................38 Middle Umpqua Watershed:................................................................................................................................40 OREGON DEPARTMENT OF ENVIRONMENTAL QUALITY 7-I Umpqua Basin TMDL: Water Quality Management Plan October 2006 Upper Umpqua Watershed: .................................................................................................................................41 Bacteria...................................................................................................................................................................42 I. Monitoring – Source Identification .................................................................................................................42 II. Bacteria Control Strategies ............................................................................................................................42 Control Measures.................................................................................................................................................44 III. Partnership for the Umpqua Rivers Action Plan Recommendations ............................................................45 Rock Creek Region..............................................................................................................................................49 Component 4: Timeline for Implementation.........................................................................................50 Component 5: How Management Strategies Will Result in Meeting Water Quality Standards ....51 Component 6: Timeline for Attainment of Water Quality Standards ................................................51 Component 7: Identification of Responsible Participants....................................................................52 Component 8: Identification of Available Implementation Plans .......................................................70 Component 9: Schedule for preparation and submission of Implementation Plans .........................70 Component 10: Reasonable Assurance..................................................................................................71 A. Point Sources: NPDES and WPCF Permit Programs .................................................................................71 B. Nonpoint Sources .............................................................................................................................................71 C. Northwest Forest Plan.....................................................................................................................................74 D. Urban and Rural Sources................................................................................................................................74